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MoreEnumerableToLookupTKey, TValue Method (IEnumerableKeyValuePairTKey, TValue, IEqualityComparerTKey)

Creates a ILookupTKey, TElement from a sequence of KeyValuePairTKey, TValue elements. An additional parameter specifies a comparer for keys.

Namespace:  MoreLinq
Assembly:  MoreLinq (in MoreLinq.dll) Version: 3.3.1+b77df70598ab84c28cd43dcf74594024b6d575e1
Syntax
public static ILookup<TKey, TValue> ToLookup<TKey, TValue>(
	this IEnumerable<KeyValuePair<TKey, TValue>> source,
	IEqualityComparer<TKey> comparer
)

Parameters

source
Type: System.Collections.GenericIEnumerableKeyValuePairTKey, TValue
The source sequence of key-value pairs.
comparer
Type: System.Collections.GenericIEqualityComparerTKey
The comparer for keys.

Type Parameters

TKey
The type of the key.
TValue
The type of the value.

Return Value

Type: ILookupTKey, TValue
A ILookupTKey, TElement containing the values mapped to their keys.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableKeyValuePairTKey, TValue. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also